ul,
ol,
li {
  margin: 0;
  padding: 0;
  list-style: none;
}

a:link,
a:visited,
a:hover,
a:active,
a {
  text-decoration: none;
}

.bg-color {
  background: #222D32;
}

th {
  text-align: center;
}

.table>tbody>tr>td {
  vertical-align: middle;
}

.mt-20 {
  margin-top: 20px;
}

.mt-150 {
  margin-top: 150px;
}

.pl-180 {
  padding-left: 180px;
}


.my-hide {
  display: none;
}

body {
  transition: padding 0.5s;
}

// 侧边栏
.lt-aside {
  // 过渡： transition: 过渡属性  持续时间； 所有属性all表示 
  transition: left 0.5s;
  position: fixed;
  left: 0;
  top: 0;
  width: 180px;
  height: 100%;
  z-index: 2;

  h4 {
    height: 50px;
    background-color: #367FA9;
    text-align: center;
    line-height: 50px;
    color: #fff;
    font-size: 22px;
    margin: 0;
  }

  .info {
    text-align: center;
    padding-top: 40px;

    img {
      width: 100px;
      border-radius: 50%;
    }

    p {
      margin-top: 15px;
      color: #fff;
      font-size: 16px;
    }
  }

  .aside-nav {
    margin-top: 40px;

    li {
      a {
        display: block;
        height: 40px;
        line-height: 40px;
        color: #fff;
        padding-left: 50px;
      }
    }

    ul {
      a {
        padding-left: 70px;
      }
    }

    li.current a {
      border-left: yellow 3px solid;
      background-color: #212121;
    }
  }
}

.lt-aside.lt-out {
  left: -180px;
}

// 主体
.lt-main {
  // height: 1000px;

  // background-color: #daa520;
  .lt-top {
    position: fixed;
    left: 0;
    top: 0;
    width: 100%;
    height: 50px;
    background-color: #3C8DBC;
    transition: padding 0.5s;

    a {
      font-size: 22px;
      color: #fff;
      margin: 10px;
    }
  }

  .lt-content {
    padding: 10px;
    padding-top: 60px;
  }
}